F01C20/10 - CPC Classification Index

ClassID:

136696 ⎘

F01C20/10 - CPC Classification

Classification description:

Control of, monitoring of, or safety arrangements for, machines or engines characterised by changing the positions of the inlet or outlet openings with respect to the working chamber

Sub-classes:

F01C20/12 » using sliding valves 12
F01C20/14 » using rotating valves 22
F01C20/16 » using lift valves 6

Recent Application in this class:

20200123971

2020-04-23

Compound engine system with rotary engine

20190055882

2019-02-21

Rotary internal combustion engine with pilot subchamber

20180187593

2018-07-05

Rotary internal combustion engine with pilot subchamber

20180080371

2018-03-22

Rotary internal combustion engine with pilot subchamber

20180045110

2018-02-15

Rotary internal combustion engine

20170335762

2017-11-23

Compound engine system with rotary engine

20170167262

2017-06-15

Scroll expander

20170074160

2017-03-16

Rotary internal combustion engine with variable volumetric compression ratio

20170067395

2017-03-09

Rotary internal combustion engine with pilot subchamber

#10

20160245084

2016-08-25

Distributer phase shifter for a hydraulic pump motor

#11

20160194958

2016-07-07

Rotary expansible chamber devices and systems incorporating the same

#12

20150247405

2015-09-03

Refrigeration system including a rotary expansible chamber device having adjustable working-fluid ports

#13

20150240710

2015-08-27

Rotary internal combustion engine with pilot subchamber

#14

20150233286

2015-08-20

Compound engine system with rotary engine

#15

20150098851

2015-04-09

Rotary expansible chamber devices having adjustable arcs of rotation, and systems incorporating the same

#16

20150075483

2015-03-19

Rotary internal combustion engine with exhaust purge

#17

20140224207

2014-08-14

Rotary internal combustion engine with variable volumetric compression ratio

#18

20140127067

2014-05-08

Screw compressor having a volume ratio being adjusted by end faces extending along from a low-pressure side end wall to discharge edges of a slider

#19

20130028772

2013-01-31

Compound engine system with rotary engine

#20

20130028768

2013-01-31

Rotary internal combustion engine with exhaust purge

#21

20130025567

2013-01-31

Rotary internal combustion engine with pilot subchamber

#22

20130025566

2013-01-31

Rotary internal combustion engine with variable volumetric compression ratio

#23

20120195782

2012-08-02

SYSTEM FOR CONSTRUCTION OF COMPRESSORS AND ROTARY ENGINE, WITH VOLUMETRIC DISPLACEMENT AND COMPRESSION RATE DYNAMICALLY VARIABLE

#24

20110100025

2011-05-05

FLUID MACHINE AND REFRIGERATION CYCLE APPARATUS

#25

20080138230

2008-06-12

Pressure sealed tapered screw pump/motor

#26

20070163262

2007-07-19

Method and means for controlling a flow through an expander